Abstract: A data communication apparatus, for transmitting one or more blocks of data within a frame including a two-dimensional grid of transmission symbol positions is configured to select a group of transmission symbol positions, which is a subset of the two-dimensional grid of transmission symbol positions, for a transmission of a data portion. The data communication apparatus is configured to select one or more reference symbol positions associated to the selected group of transmission symbol positions, out of a plurality of possibilities, based on an information describing a desired relative position of the reference symbol position with respect to the selected group of transmission symbol positions. Other apparatuses also use a flexible selection of transmission symbol positions and a flexible selection of reference symbol positions. A system, methods and computer programs are also described.

Abstract: The embodiments herein relate to a method performed by UE, a UE, a network node or gNB and a method performed by the gNB for handling retransmissions in a wireless telecommunications system and resolving misalignment between the UE and the gNB. According to exemplary embodiments, there is provided a retransmission counter placed or implemented at the UE and/or the gNB which is configured to count every failing data packet (i.e., the receiver(s)/transmitters is/are informed via the NACK messages or the NACK timers). There is also provided a retransmission assignment indicator message configured to comprise, fully or partially: the content of said counter and the content or the structure of the CGB (Code Block Group), e.g., either all CBGs are retransmission versions or part of the CGBs are retransmission versions.

Abstract: In the field of wireless communication systems or networks, the design of resource pools as they may be used in sidelink communications among users of the wireless communication system, for example in V2X applications, is described. In particular, an improved resource pool design, for example for resource pools to be used in sidelink communications in V2X services in view of the advantages defined by the NR 5G standard, is presented.

Abstract: A wireless communication system, including: a plurality of time variant transmission points for communicating with a user device, UE, wherein the UE is in a tracking region, wherein the UE is configured to receive and store a list including identifiers, IDs, of time variant transmission points for the tracking region, and wherein the list includes IDs of time variant transmission points which are available or visible for the UE in the one tracking region at different times or time periods.

Abstract: A receiver is described which receives data from a transmitter. The data is included in a data block which includes at least one code block, and the code block has a plurality of parts. A first part of the code block is used for estimating a decodability of the code block at the receiver. The first part of the code block is arranged in the data block ahead of the remaining one or more parts of the code block. The receiver estimates, prior to receiving the entire data block, the decodability of the code block using the first part of the code block.

Abstract: An apparatus, for wideband communication with one or more transceivers in a wireless communication system using one or more subbands of a predefined wideband, is configured to perform initial Listen-Before-Talk, LBT, for each subband of the predefined wideband so as to determine from the predefined wideband one or more non-occupied subbands on which the wideband communication is allowed during a certain transmission time, and during the certain transmission time, transmit to and/or receive from the transceiver using the non-occupied subbands. During the certain transmission time and in case the initial LBT indicted that one or more of the subbands are occupied, the apparatus is configured to perform a further LBT for the one or more occupied subbands so as to determine one or more of the initially occupied subbands being no longer occupied, and transmit to and/or receive from the transceiver using, in addition to the initially non-occupied subbands, the one or more no longer occupied subbands.

Abstract: A user device, UE, for a wireless communication system, like a 3rd Generation Partnership Project, 3GPP, system is described. The UE is to communicate using a sidelink, SL, using resources allocated by a base station of the wireless communication system. The UE is configured or preconfigured with at least one first SL resource pool including resources in an unlicensed spectrum. The UE is to provide to the base station occupancy information regarding the unlicensed spectrum.

Abstract: A user equipment is configured to operate in a wireless communications network being operated in a TDD scheme, the TDD scheme including a plurality of TDD-frames, each TDD-frame including a guard period arranged between a downlink symbol and an uplink symbol of the TDD-frame. The user equipment is configured to receive a first number of symbols during the guard period or is configured to transmit the uplink symbol and to transmit a second number of symbols previous to transmitting the uplink symbol.

Abstract: Embodiments provide a transceiver of a wireless communication network [e.g., 5G/new radio mobile communication network], wherein the transceiver is configured to transmit and/or receive a signal via a sidelink of the wireless communication network in a [e.g., 5G/new radio] virtual resource pool of the sidelink, the virtual resource pool comprising a plurality [e.g., two or more] of component carriers and/or a two or more resource pools.

Abstract: A wireless communication system includes a plurality of user devices, UEs, configured for a sidelink communication using resources from a set of sidelink resources of the wireless communication system. The plurality of UEs includes at least one transmitting UE and at least one receiving UE, the transmitting UE and the receiving UE configured to use at least a subset of the sidelink resources of the wireless communication system for the sidelink communication. The wireless communication system is configured to allow a data duplication on the sidelink, wherein the data duplication on the sidelink is activated or triggered dependent on one or more of a sidelink quality of the sidelink between the transmitting UE and the receiving UE, and/or an occupancy of the sidelink resources, and/or data received by a network element/network function, and/or the application service running on one of the UEs.

Abstract: A wireless communication system includes one or more base stations, and a plurality of user devices, UEs. The plurality of UEs includes a plurality of first UEs operating in a first mode and a plurality of second UEs operating in a second mode. The first UEs and the second UEs are configured for a sidelink communication. A sidelink transmission includes a sidelink frame having a control region and a data region. The control region includes a first control region and a second control region, the first control region for transmitting control data of a first UE, the second control region for transmitting control data of a second UE, and the first and second control regions including a plurality of a common resources.

Abstract: A transceiver is configured for communicating in a wireless communication network being operated so as to schedule communication in a plurality of transmission time intervals, each transmission time interval including a plurality of resource elements arranged in a time-frequency grid. Each transmission time interval includes a control section and a data section. The transceiver is configured for transmitting, using a resource in the control section, the resource in the control section containing a reservation information indicating that the transceiver reserves a specific resource in a future transmission time interval.

Abstract: An apparatus for a wireless communication system is connected to at least one user device (UE) via a sidelink for a sidelink communication. For a unicast transmission, the apparatus transmits a sidelink frame having a certain frame duration. A first part of the sidelink frame includes a control signaling. The control signaling indicates to the UE whether a feedback is to be returned to the apparatus. The feedback indicates a successful reception of data at the UE or a sidelink channel condition. If a feedback is desired, the apparatus transmits in the first part of the frame, using the control signaling, an indication that the feedback is to be provided by the UE such that a duration of the control signaling is shorter, by a remaining duration, than the frame duration, and receives from the UE, during the remaining duration, the feedback.

Abstract: An apparatus for a wireless communication system includes a plurality of base stations and a plurality of UEs. The apparatus is to be connected to a base station for a communication with the base station, and one or more UEs via a sidelink for a sidelink communication. The apparatus and the one or more UEs form a group of user devices. The apparatus is to request from a base station, directly or indirectly, resources for a sidelink communication with the one or more UEs of the group, and is to obtain from the base station, directly or indirectly, information about at least one set of resources to be used for the sidelink communication within the group. Each of the sets of resources is only or exclusively used within the group, and the group members include the apparatus and the one or more UEs of the group.

Abstract: A user device, UE, for a wireless communication system, is described. The UE is to transmit and/or receive over a sidelink, SL, in the wireless communication system. The UE is to receive one or more collision indications, Cis, the collision indication indicating one or more collisions on one or more resources used or to be used by the UE for one or more transmissions to or for one or more receptions from at least one further UE over the SL. Responsive to the collision indication and dependent on one or more criteria, the UE is to perform one or more certain actions for the one or more transmissions.

Abstract: Communication devices are provided that facilitate receiving information units and providing feedback to other communication devices.

Abstract: A concept for handovers in cellular networks, a concept for improved handling of tracking/paging areas for, for instance, user entities in inactive modes and a concept for enabling intelligent route selection in cellular networks are presented.

Abstract: A base station for a wireless communication network is provided. The wireless communication network includes a plurality of base stations, each base station to serve one or more users. One or more users are served by a plurality of base stations to receive a first data signal from the base station and a second data signal from at least one further base station using multi-user superposition transmission, MUST. The base station includes a backhaul interface for a communication with one or more of the plurality of base stations of the wireless communication network. For transmitting the first data signal to one or more users served by the base station and by the further base station, the base station is configured to negotiate a MUST setting with the further base station via the backhaul interface, and map data of the first data signal using a first transmit constellation set according to the negotiated MUST setting.

Abstract: A wireless communication system includes one or more base stations, and one or more user devices, UEs. The base station is configured to transmit data to a UE being served by the base station, the data including control data and user data, the user data including at least first user data and second user data, the first user data associated with a first service and second data associated with second service, the first and second services having one or more different transmission requirements. Responsive to receiving in the control data a grant for a feedback transmission, the UE is configured to send a feedback to the base station, the feedback indicating for one or more data blocks of the data a successful or non-successful reception at the UE. The control data includes a first downlink assignment index, DAI, associated with the first data, and a second DAI associated with the second data.

Abstract: A user device for a wireless communication system is served by a base station and uses one or more frequency bands for a communication with one or more entities in the wireless communication system. The frequency bands include CORESETs, each including one or more search spaces carrying control information for the UE. The UE groups some or all of the CORESETs into respective CORESET groups, or some or all of the search spaces into respective search space groups. A CORESET group includes some or all CORESETs within a certain time window, and a search space group includes some or all search spaces within the certain time window. The grouping is responsive to one or more group IDs the UE is configured with, each group ID pointing to or indicating a CORESET group or a search space group, and/or determining CORESETs or search spaces to be within the same time window.